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Population in the Congo compared to Nauru: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of the Congo was 6,484,437 in 2025 vs 12,025 people in Nauru in 2025. In 2026, based on the adjusted UN estimation, the current Congo's population is 6,718,789 people compared to 12,139 in Nauru.

Population statistics:

  • The Congo's population is 553 times bigger than Nauru's.
  • The Congo is ranked the 109th most populous country in the world, while Nauru is the 195th.
  • The countries together account for 0.08% of the world: 0.08% for the Congo vs 0.0001% for Nauru.
  • For the last 10 years, the Congo has had an average growth rate of +2.44% per year vs +1.03% in Nauru.
  • Since 2006, the population of the Congo has increased from 3.84M people to 6.72M (75.1% growth), while Nauru has grown from 10K to 12.1K (21% growth).

Congo vs Nauru: population by year and forecast

Congo
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Congo Nauru
2100 20,194,267 20,708
2099 20,053,234 20,677
2098 19,906,909 20,636
2097 19,760,110 20,596
2096 19,610,521 20,561
2095 19,459,493 20,526
2094 19,306,835 20,479
2093 19,151,289 20,423
2092 18,990,577 20,377
2091 18,828,222 20,332
2090 18,663,146 20,276
2089 18,497,842 20,210
2088 18,325,571 20,143
2087 18,153,731 20,087
2086 17,979,773 20,019
2085 17,807,843 19,950
2084 17,631,386 19,872
2083 17,453,221 19,787
2082 17,270,773 19,700
2081 17,093,270 19,603
2080 16,910,570 19,517
2079 16,728,955 19,411
2078 16,542,829 19,304
2077 16,357,926 19,198
2076 16,173,005 19,089
2075 15,981,904 18,978
2074 15,791,626 18,866
2073 15,597,321 18,750
2072 15,402,110 18,630
2071 15,205,567 18,527
2070 15,009,147 18,388
2069 14,808,250 18,281
2068 14,609,790 18,160
2067 14,412,802 18,017
2066 14,211,022 17,896
2065 14,010,661 17,769
2064 13,810,933 17,641
2063 13,609,626 17,516
2062 13,405,080 17,394
2061 13,204,362 17,260
2060 13,004,957 17,129
2059 12,806,162 17,006
2058 12,609,233 16,874
2057 12,413,395 16,745
2056 12,217,406 16,605
2055 12,022,740 16,465
2054 11,824,813 16,328
2053 11,627,983 16,186
2052 11,431,875 16,042
2051 11,235,188 15,881
2050 11,039,311 15,731
2049 10,844,973 15,565
2048 10,650,230 15,405
2047 10,453,401 15,234
2046 10,258,550 15,058
2045 10,063,886 14,888
2044 9,871,213 14,712
2043 9,676,000 14,539
2042 9,482,485 14,357
2041 9,287,235 14,174
2040 9,096,577 13,990
2039 8,907,177 13,821
2038 8,719,250 13,666
2037 8,532,935 13,507
2036 8,348,719 13,358
2035 8,166,676 13,190
2034 7,985,679 13,035
2033 7,805,748 12,888
2032 7,628,440 12,753
2031 7,453,476 12,619
2030 7,284,111 12,499
2029 7,117,929 12,381
2028 6,955,268 12,286
2027 6,794,778 12,177
2026 6,638,532 12,100
2025 6,484,437 12,025
2024 6,332,961 11,947
2023 6,182,885 11,875
2022 6,035,104 11,801
2021 5,892,183 11,709
2020 5,752,791 11,643
2019 5,616,661 11,587
2018 5,483,118 11,477
2017 5,351,011 11,324
2016 5,222,536 11,150
2015 5,097,581 10,954
2014 4,975,880 10,742
2013 4,857,099 10,517
2012 4,740,450 10,267
2011 4,609,724 10,098
2010 4,462,290 10,043
2009 4,281,219 10,016
2008 4,113,517 10,009
2007 3,980,430 10,020
2006 3,837,409 10,034
2005 3,696,393 10,049
2004 3,565,554 10,060
2003 3,445,753 10,059
2002 3,350,771 10,082
2001 3,272,537 10,130
2000 3,151,345 10,168
1999 3,032,874 10,187
1998 2,952,061 10,198
1997 2,887,862 10,197
1996 2,826,785 10,183
1995 2,749,461 10,165
1994 2,673,144 10,137
1993 2,595,124 10,102
1992 2,519,465 10,021
1991 2,449,229 9,850
1990 2,380,560 9,622
1989 2,313,558 9,390
1988 2,247,653 9,165
1987 2,183,473 8,946
1986 2,120,602 8,742
1985 2,059,311 8,551
1984 1,999,528 8,377
1983 1,950,321 8,216
1982 1,910,430 8,040
1981 1,869,759 7,839
1980 1,828,985 7,649
1979 1,788,524 7,468
1978 1,748,089 7,298
1977 1,707,568 7,163
1976 1,667,225 7,064
1975 1,627,032 6,987
1974 1,582,301 6,923
1973 1,533,680 6,866
1972 1,486,468 6,812
1971 1,441,039 6,762
1970 1,397,638 6,710
1969 1,356,182 6,581
1968 1,316,519 6,328
1967 1,278,691 6,135
1966 1,242,534 6,043
1965 1,207,880 5,832
1964 1,174,816 5,515
1963 1,143,263 5,226
1962 1,113,175 4,979
1961 1,084,389 4,774
1960 1,056,732 4,607

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/congo/nauru | CC BY

From 2006 to 2016, the population of the Congo increased by 1,385,127 people (a 36.1% growth), while Nauru gained 1,116 people (a 11.1% growth).

For the next 10 years, from 2016 to 2026, the Congo gained 1,496,253 people (a 28.6% growth), while Nauru's population increased by 989 people (a 8.87% growth).

The Congo was ranked 125th most populous country in 2006 and is 109th in 2026. Nauru was ranked 196th in 2006 and ranked 195th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) the Congo's population will grow by 64.3% to 11,039,311 people with a rank change from 109th to 95th. The population of Nauru will increase by 29.6% to 15,731 people and rank change from 195th to 194th.

The Congo is projected to reach its peak in 2100 at 20.2M people compared to the peak of 20.7K people in 2100 for Nauru.

Population growth rate by year

Congo
Factual

Projection
Nauru
Factual

Projection
1x
Year Growth rate
Congo Nauru
2100 0.7% 0.15%
2099 0.74% 0.2%
2098 0.74% 0.19%
2097 0.76% 0.17%
2096 0.78% 0.17%
2095 0.79% 0.23%
2094 0.81% 0.27%
2093 0.85% 0.23%
2092 0.86% 0.22%
2091 0.88% 0.28%
2090 0.89% 0.33%
2089 0.94% 0.33%
2088 0.95% 0.28%
2087 0.97% 0.34%
2086 0.97% 0.35%
2085 1% 0.39%
2084 1.02% 0.43%
2083 1.06% 0.44%
2082 1.04% 0.5%
2081 1.08% 0.44%
2080 1.09% 0.54%
2079 1.13% 0.56%
2078 1.13% 0.55%
2077 1.14% 0.57%
2076 1.2% 0.59%
2075 1.2% 0.6%
2074 1.25% 0.62%
2073 1.27% 0.65%
2072 1.29% 0.56%
2071 1.31% 0.75%
2070 1.36% 0.59%
2069 1.36% 0.66%
2068 1.37% 0.8%
2067 1.42% 0.68%
2066 1.43% 0.71%
2065 1.45% 0.73%
2064 1.48% 0.71%
2063 1.53% 0.7%
2062 1.52% 0.78%
2061 1.53% 0.76%
2060 1.55% 0.73%
2059 1.56% 0.78%
2058 1.58% 0.77%
2057 1.6% 0.85%
2056 1.62% 0.85%
2055 1.67% 0.84%
2054 1.69% 0.87%
2053 1.72% 0.9%
2052 1.75% 1.01%
2051 1.77% 0.96%
2050 1.79% 1.06%
2049 1.83% 1.04%
2048 1.88% 1.12%
2047 1.9% 1.17%
2046 1.93% 1.14%
2045 1.95% 1.2%
2044 2.02% 1.19%
2043 2.04% 1.27%
2042 2.1% 1.29%
2041 2.1% 1.32%
2040 2.13% 1.22%
2039 2.16% 1.14%
2038 2.18% 1.17%
2037 2.21% 1.12%
2036 2.23% 1.27%
2035 2.27% 1.19%
2034 2.31% 1.14%
2033 2.32% 1.06%
2032 2.35% 1.06%
2031 2.33% 0.96%
2030 2.33% 0.96%
2029 2.34% 0.77%
2028 2.36% 0.9%
2027 2.35% 0.64%
2026 2.38% 0.63%
2025 2.39% 0.65%
2024 2.43% 0.61%
2023 2.45% 0.63%
2022 2.43% 0.79%
2021 2.42% 0.57%
2020 2.42% 0.48%
2019 2.44% 0.96%
2018 2.47% 1.35%
2017 2.46% 1.56%
2016 2.45% 1.79%
2015 2.45% 1.97%
2014 2.45% 2.14%
2013 2.46% 2.43%
2012 2.84% 1.67%
2011 3.3% 0.55%
2010 4.23% 0.27%
2009 4.08% 0.07%
2008 3.34% -0.11%
2007 3.73% -0.14%
2006 3.81% -0.15%
2005 3.67% -0.11%
2004 3.48% 0.01%
2003 2.83% -0.23%
2002 2.39% -0.47%
2001 3.85% -0.37%
2000 3.91% -0.19%
1999 2.74% -0.11%
1998 2.22% 0.01%
1997 2.16% 0.14%
1996 2.81% 0.18%
1995 2.85% 0.28%
1994 3.01% 0.35%
1993 3% 0.81%
1992 2.87% 1.74%
1991 2.88% 2.37%
1990 2.9% 2.47%
1989 2.93% 2.45%
1988 2.94% 2.45%
1987 2.96% 2.33%
1986 2.98% 2.23%
1985 2.99% 2.08%
1984 2.52% 1.96%
1983 2.09% 2.19%
1982 2.18% 2.56%
1981 2.23% 2.48%
1980 2.26% 2.42%
1979 2.31% 2.33%
1978 2.37% 1.88%
1977 2.42% 1.4%
1976 2.47% 1.1%
1975 2.83% 0.92%
1974 3.17% 0.83%
1973 3.18% 0.79%
1972 3.15% 0.74%
1971 3.11% 0.77%
1970 3.06% 1.96%
1969 3.01% 4%
1968 2.96% 3.15%
1967 2.91% 1.52%
1966 2.87% 3.62%
1965 2.81% 5.75%
1964 2.76% 5.53%
1963 2.7% 4.96%
1962 2.65% 4.29%
1961 2.62% 3.62%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/congo/nauru | CC BY

In 2025, the population of the Congo grew by 2.39%, while Nauru's population grew by 0.65%.

Live population counters

Congo Nauru
Current population
6718789
12139
Population rank 109/197 195/197
Percent of world population 0.08% 0.0001%
One net population change
3.48 minutes
4.69 days
One birth every
2.73 minutes
1.25 days
One death every
13.3 minutes
4.06 days
Daily growth/decline +415 +0
Annual growth/decline +151,476 +78
Annual growth/decline rate +2.39% +0.65%
Population growth rate rank 31/197 119/197
One migration net change every
2.93 hours
3 days
Annual migration change -2,999 -122
Net migration rank 108/196 82/196
Foreign-born residents 385,589 2,548
Foreign-born residents rank 91/195 191/195
Foreign-born share of population 6.1% 21.3%
Foreign-born share rank 86/195 29/195

Natural population change vs migration

Congo
Natural

Migration
Nauru
Natural

Migration
1x
Year Population change
Congo Nauru
Natural Migration Natural Migration
2025 - -2,999 - -122
2024 153,150 -2,491 203 -121
2023 150,486 -995 213 -148
2022 147,076 -995 226 -144
2021 144,241 -4,476 236 -137
2020 143,492 -4,472 246 -214
2019 139,513 -6,268 255 -171
2018 142,704 -8,856 265 -131
2017 141,973 -11,601 279 -115
2016 141,358 -14,783 289 -105
2015 141,539 -18,207 291 -86
2014 141,674 -21,598 290 -69
2013 142,080 -24,605 291 -53
2012 142,464 -26,643 292 -38
2011 140,371 5,262 291 -206
2010 136,908 12,318 281 -246
2009 126,904 86,014 261 -249
2008 120,711 1,774 240 -243
2007 112,459 31,239 222 -235
2006 106,876 35,475 209 -224
2005 101,344 38,337 204 -217
2004 96,577 25,412 202 -210
2003 91,326 26,280 201 -199
2002 88,497 -16,140 200 -247
2001 84,876 -764 203 -252
2000 78,491 79,780 207 -236
1999 76,204 2,470 212 -227
1998 72,450 10,500 214 -217
1997 66,149 -20,704 218 -209
1996 75,628 1,085 221 -204
1995 74,189 3,747 225 -201
1994 72,857 1,850 229 -196
1993 71,119 10,218 235 -194
1992 69,973 0 237 -121
1991 68,534 1,966 225 0
1990 67,241 -395 214 20
1989 65,944 1,214 204 24
1988 64,629 22 195 29
1987 63,183 525 186 27
1986 61,669 367 178 21
1985 60,359 182 171 8
1984 59,028 0 166 -2
1983 58,120 -18,720 163 -5
1982 57,036 -16,664 162 30
1981 56,603 -15,630 157 44
1980 55,550 -14,972 145 44
1979 54,723 -14,378 130 48
1978 53,885 -13,356 111 40
1977 53,179 -12,673 89 32
1976 52,148 -11,971 79 0
1975 51,155 -10,944 70 0
1974 49,563 -312 63 0
1973 48,017 -22 57 0
1972 46,427 0 53 0
1971 44,431 0 50 0
1970 42,374 0 49 0
1969 40,532 0 71 132
1968 38,786 0 116 180
1967 36,866 0 117 -28
1966 35,452 0 123 -32
1965 33,865 0 113 218
1964 32,270 0 100 203
1963 30,832 0 88 181
1962 29,342 0 75 158
1961 28,220 0 70 120
1960 27,094 0 72 76

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/congo/nauru | CC BY

Over the last 10 years, 95.2% of the population change in the Congo is from natural causes (a gain of 1,445,532 people) and 4.82% is from migration (a loss of 73,144 people). In Nauru 64.6% is from natural causes (a gain of 2,503 people) and 35.4% is from migration (a loss of 1,372 people).

As of 2024, 385,589 residents or 6.1% of the population were not native-born in the Congo, compared to 2,548 people or 21.3% in Nauru.

Biggest cities by population

Congo
City Population
Brazzaville 2.15M
Pointe-Noire 1.42M
Kayes 127K
Madingou 36.2K
Gamboma 26.1K
Kinkala 12.1K
Nauru
City Population
Yaren 747

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/congo/nauru | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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